ISL6366CRZ-TK

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The ISL6366CRZ-TK is a special purpose voltage regulator from Intersil’s Z-LDO product family. It is designed to provide highly integrated, linear voltage regulation for complex applications requiring precise current regulation and fault protection.

The device provides a simple, effective solution for a variety of applications including system monitoring and protection, automotive, military, and aerospace. The voltage regulator features a thermal performance tune feature, adjustable output voltage, input undervoltage lockout, single-line remote sensing, and temperature protection.

Key Features

• Wide input voltage range: 1.8 V to 24 V
• High PSRR: 70 dB at 1 KHz
• High output current: 5 A
• Reduced thermals: 40 mV thermal performance tune range
• Operating temperature range: -40°C to +125°C

Applications

• System monitoring and protection
• Automotive
• Military
• Aerospace

Working Principle

The ISL6366CRZ-TK is a highly integrated, linear voltage regulator that uses a regulated current source, a temperature protection circuit, and integrated MOSFETs to achieve high power efficiency and robust performance. It is designed for use in applications that require precise current regulation with fault protection, such as microprocessors or low-power digital ICs.

The voltage regulator includes an on-board voltage reference, which monitors the input voltage and sets the output voltage. The reference voltage is connected to a precision current source, which provides a controlled amount of current to the load. This current is compared with the reference voltage and adjusted accordingly to maintain a regulated output. The device includes an adjustable thermal performance tune feature, allowing the designer to reduce the on-resistance of the internal MOSFETs, increasing efficiency and reducing power losses.

The ISL6366CRZ-TK also features an adjustable output voltage, allowing the designer to set the desired output voltage level. Additionally, the device includes an input undervoltage lockout circuit, which prevents the device from operating if the input voltage is too low. The device also features a single-line remote sensing circuit, which allows the output voltage to be accurately tracked, even at high output currents.

Finally, the voltage regulator includes a temperature protection circuit, which monitors the device temperature and shuts down the device if the temperature exceeds a preset threshold. This ensures that the device does not overheat and is protected from damage.

Conclusion

The ISL6366CRZ-TK is a special purpose voltage regulator from Intersil’s Z-LDO product family. It is designed to provide highly integrated, linear voltage regulation for complex applications requiring precise current regulation and fault protection. The voltage regulator features a wide input voltage range, high PSRR, high output current, reduced thermals, an adjustable thermal performance tuning feature, adjustable output voltage, input undervoltage lockout, single-line remote sensing, and temperature protection.

The ISL6366CRZ-TK is an ideal solution for a variety of system monitoring and protection, automotive, military, and aerospace applications. It provides a highly integrated and robust solution for applications requiring precise current regulation and fault protection.

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